... 2.Rated voltage of 400V, rated current 80A~3200A automatic transfer switch Applied ATS switch/selector switching/disconnector1.Under voltage,over vltage,loss phase protection2 ... voltage of 400V,rated current 16A~3200AAutomatic transfer switch SGLD(general type):General:SGLD series automatic transfer switch suitable for AC50HZ,rated voltage 380,DC ...